Home / 1,600,967.78-2,209,387.82-912,627.05

Finding the Fourth Proportional to 1,600,967.78, 2,209,387.82 and 912,627.05

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Solution

The fourth proportional to 1,600,967.78, 2,209,387.82 and 912,627.05 is: 1,259,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,967.78 : 2,209,387.82 = 912,627.05 : x
  2. Step 2: Convert to fraction form
    1,600,967.78/2,209,387.82 = 912,627.05/x
  3. Step 3: Cross multiply
    1,600,967.78x = 2,209,387.82 × 912,627.05
  4. Step 4: Simplify right side
    1,600,967.78x = 2,016,347,072,862.46
  5. Step 5: Solve for x
    x = 2,016,347,072,862.46/1,600,967.78
  6. Step 6: Final answer
    x = 1,259,455.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.